Infrared Quasi Fixed Points and Mass Predictions in the MSSM

Details Infrared Quasi Fixed Points and Mass Predictions in the MSSM Infrared Quasi Fixed Points and Mass Predictions in the MSSM

1998-07-18

arxiv.org/abs/hep-ph/9807411v4

Mod.Phys.Lett.A14:601-619,1999

Physics

High Energy Physics

High Energy Physics - Phenomenology

17 pages, LateX file with 13 eps figures, Corrected version, references are added. Final version to be published in Modern Phy

Scientific paper

10.1142/S0217732399000663

We consider the infrared quasi-fixed point solutions of the renormalization group equations for the top-quark Yukawa coupling and soft supersymmetry breaking parameters in the MSSM. The IR quasi-fixed points together with the values of the gauge couplings, the top-quark and Z-boson masses allow one to predict masses of the Higgs bosons, the stop squarks and the lightest chargino as functions of the only free parameter $m_{1/2}$ or the gluino mass. The mass of the lightest Higgs boson for $\mu>0$ and $M_{SUSY} \approx 1$ TeV is found to be $m_h=(94.3+1.6+0.6\pm5\pm0.4)$ GeV. The case with $\mu<0$ is excluded by experimental data.

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